One batch entry satisfied at creation. See ConditionQueueConfig.filled.
Optional
Stored under envelope.batch_filled_by[itemKey].
envelope.batch_filled_by[itemKey]
ISO-8601: when the entry was satisfied, from the source of record.
Stored under envelope.batch_items[itemKey], delivered with the collection.
envelope.batch_items[itemKey]
One batch entry satisfied at creation. See ConditionQueueConfig.filled.